348121807 has 4 divisors (see below), whose sum is σ = 379769256. Its totient is φ = 316474360.

The previous prime is 348121793. The next prime is 348121811. The reversal of 348121807 is 708121843.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 348121807 - 2²⁷ = 213904079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348121817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15823708 + ... + 15823729.

It is an arithmetic number, because the mean of its divisors is an integer number (94942314).

Almost surely, 2^348121807 is an apocalyptic number.

348121807 is a deficient number, since it is larger than the sum of its proper divisors (31647449).

348121807 is a wasteful number, since it uses less digits than its factorization.

348121807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31647448.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 348121807 is about 18658.0225908321. The cubic root of 348121807 is about 703.4670223222.

The spelling of 348121807 in words is "three hundred forty-eight million, one hundred twenty-one thousand, eight hundred seven".